How to backup firmware of Coolsand_RDA CPU using Volcano Box

how to backup cools_rda firmware

In this video training I’m going to show you how to backup Coolsand_RDA CPU using Volcano Box.

Backup or reading firmware is important when you are repairing software problem.

One reason you want to read the firmware is because something happened during the programming you can at least return or go back the previous problem by simply reproramming the phone using the backup firmware.

how to backup cools_rda firmware_

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